Mr. Heater 20,000 BTU Vent Free Radiant Natural Gas Heater : Use and Care Manual : Page 17

17

Installation Instructions and Owner’s Manual

Unvented Natural Gas Vent Free Room Heaters

For all models, Equipment shutoff valve with 1/8” NPT tap.

MHVFB20TB NG, MHVFB20T NG, MHVFB30TB NG, MHVFB30T NG, MHVFR20TB NG, MHVFR20TNG,

MHVFR30TB NG, MHVFR30T NG • PARTS LIST

This list contains replacement parts used in your heater. When ordering parts, follow the instructions listed

under Replacement Parts on page 20 of this manual.

ITEM PART NO. DESCRIPTION QTY.

MHFR20 NG MHVFB20 NG MHFR30 NG MHFB30 NG

1 70600 70600 70605 70605 Cabinet assembly 1

1-1 70601 70601 70606 70606 Cabinet Top Panel 1

1-2 70603 70603 70603 70603 Cabinet Right Panel 1

1-3 70602 70602 70607 70607 Cabinet back Panel 1

1-4 70704 70704 70704 70704 Cabinet Left Panel 1

2 70608 70608 70609 70609 Lower Front panel assembly 1

3 70742 70742 70744 70744 Reector Assembly 1

4 70830 70633 70831 70635 Burner Assembly 1

5 70636 70636 70636 70636 Wall Mounting Bracket 1

6 70828 70827 70828 70827 Thermostat Valve Mounting bracket 1

7 70821 70821 70822 70822 Bezel – Reector Front 1

8 70828 70828 70828 70828 Thermostat Valve assembly 1

9 70641 70641 70641 70641 Ignitor Module Mounting Bracket 1

10 70682 70682 70682 70682 High Limit Switch 1

11 70644 70644 70644 70644 Ignitor Module, Battery powered 1

12 – – – – – –

13 70338 70338 70356 70338 Pressure regulator 1

14 --- 70646 --- 70648 Glass 1

15 --- 70647 --- 70649 Glass Mounting Bracket 1

16 70339 70339 70339 70339 ODS / Pilot Assembly 1

17 – – – – – –

18 70650 --- 70652 --- Gas Manifold 1

20 70847 70847 70847 70847 Access Cover Plate 1

21 70655 --- 70655 --- ODS mounting bracket 1

22-1 70741 70741 70743 70743 Heat Shield – Top 1

22-2 70745 70745 70745 70745 Heat Shield – Right 1

22-3 70751 70753 70752 70754 Heat Shield – Back 1

23 70663 70663 70663 70663 Regulator Mounting Bracket 1

24 70664 70664 70664 70664 Control / ignitor cover 1

25 70665 70665 70665 70665 Floor mount feet 2

26 70829 70829 70880 70880 Grill guard 1

27-1 — — 70838 --- Orice, 30, IR 4

27-2 — — — 70669 Orice, 30, BF 1

28-1 70840 – – – Orice, 20, IR 3

28-2 – 70671 – – Orice, 20, BF 1

29 70740 70740 70740 70740 Blower Assembly *not included on all units 1

30 – – – – – –

31 – – – – – –

32 – – – – – –

33-1 70756 70756 70756 70756 Heat Shield – Left 1

35 70675 – 70676 – Bracket, Top, Plenum Assembly 1

36 70675 – 70676 – Bracket, Bottom, Plenum Assembly 1

37 – – – – – –